# ESPRSSO32 Smart Scale AI Auto Layout [Example] 7Cur ## Description Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time! ## Project Details - **Owner:** 3565467766667 - **Created:** 2/24/2025 - **Last Updated:** 2/24/2025 - **Visibility:** Public ## Key Components ### IC1 — [ESP32-C3FH4 (no gnd vias)](https://www.flux.ai/ryanf/esp32-c3fh4-no-gnd-vias.md) - Manufacturer Part Number: ESP32-C3 - Part Type: Integrated Circuit - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2312201733_Espressif-Systems-ESP32-C3_C2838500.pdf **Pins:** - CHIP_EN [pin 7] - GND [pin 33] - GPIO10 [pin 16] - GPIO18 [pin 25] - GPIO19 [pin 26] - GPIO2 [pin 6] - GPIO3 [pin 8] - GPIO8 [pin 14] - GPIO9 [pin 15] - LNA_IN [pin 1] - MTCK [pin 12] - MTDI [pin 10] - MTDO [pin 13] - MTMS [pin 9] - SPICLK [pin 22] - SPICS0 [pin 21] - SPID [pin 23] - SPIHD [pin 19] - SPIQ [pin 24] - SPIWP [pin 20] - U0RXD [pin 27] - U0TXD [pin 28] - VDD_SPI [pin 18] - VDD3P3 [pin 2] - VDD3P3__1 [pin 3] - VDD3P3_CPU [pin 17] - VDD3P3_RTC [pin 11] - VDDA [pin 31] - VDDA__1 [pin 32] - XTAL_32K_N [pin 5] - XTAL_32K_P [pin 4] - XTAL_N [pin 29] - XTAL_P [pin 30] ### J1 — MSD-4-A - Part Type: Connector - Manufacturer Name: CUI Devices - Datasheet URL: https://www.cuidevices.com/product/resource/msd-4-a.pdf - Manufacturer Part Number: MSD-4-A **Pins:** - CD [pin CD1] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - G1 [pin G1] - G2 [pin G2] - G3 [pin G3] - G4 [pin G4] - VDD [pin 4] - VSS [pin 6] ### J2 — [694101308002](https://www.flux.ai/jecstronic/694101308002.md) - Datasheet URL: https://www.we-online.com/katalog/datasheet/694101308002.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [0532610471](https://www.flux.ai/vasyl/0532610471.md) - Manufacturer Part Number: 0532610471 - Part Type: Connector - Datasheet URL: https://www.molex.com/pdm_docs/sd/532610471_sd.pdf - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### J4 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J5 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### MCU_BOOT — 1.5 mm Test Pad - Manufacturer Part Number: R0707 - Manufacturer Name: Foootprint Fitz Industries **Pins:** - TP [pin 1] ### MCU_RXD — 1.5 mm Test Pad - Manufacturer Name: Foootprint Fitz Industries - Manufacturer Part Number: R0707 **Pins:** - TP [pin 1] ### MCU_TXD — 1.5 mm Test Pad - Manufacturer Name: Foootprint Fitz Industries - Manufacturer Part Number: R0707 **Pins:** - TP [pin 1] ### U1 — [NAU7802SGI](https://www.flux.ai/ryanf/nau7802sgi.md) - Manufacturer Part Number: NAU7802SGI - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nuvoton Technology Corporation - Datasheet URL: https://www.nuvoton.com/export/resource-files/NAU7802%20Data%20Sheet%20V1.7.pdf **Pins:** - AVDD/LDO [pin 16] - AVSS [pin 8] - DRDY [pin 12] - DVDD [pin 15] - DVSS [pin 9] - R-EFN [pin 7] - R-EFP [pin 1] - SCLK [pin 13] - SDIO [pin 14] - VBG [pin 6] - VIN1N [pin 2] - VIN1P [pin 3] - VIN2N [pin 4] - VIN2P [pin 5] - XIN [pin 10] - XOUT [pin 11] ### U2 — [NCP176BMX330TCG](https://www.flux.ai/ryanf/ncp176bmx330tcg.md) - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf - Part Type: Linear Voltage Regulator - Manufacturer Name: onsemi - Manufacturer Part Number: NCP176BMX330TCG - Package or Case Code: XDFN6 **Pins:** - EN [pin 4] - FB [pin 2] - GND [pin 3] - IN [pin 6] - N/C [pin 5] - OUT [pin 1] ### U3 — [TPS62130ARGTR](https://www.flux.ai/ryanf/tps62130argtr.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps62130a.pdf?ts=1716649051225&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62130A - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Part Type: Switching Regulator - Manufacturer Part Number: TPS62130ARGTR - Package or Case Code: QFN50P300X300X50-17N **Pins:** - AGND [pin 6] - AGND [pin 17] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 2] - SW [pin 3] - SW [pin 1] - VOS [pin 14] ### U4 — [SIM800C](https://www.flux.ai/vasy_skral/sim800c.md) - Manufacturer Name: SIMCom - Manufacturer Part Number: SIM800C - Datasheet URL: https://simcom.ee/documents/SIM800C/SIM800C_Hardware_Design_V1.05.pdf - Part Type: RF Transceiver Module **Pins:** - ~PWRKEY [pin 39] - ADC [pin 38] - BT_ANT [pin 20] - GND [pin 21] - GND [pin 36] - GND [pin 30] - GND [pin 8] - GND [pin 27] - GND [pin 19] - GND [pin 13] - GND [pin 33] - GND [pin 37] - GND [pin 31] - GSM_ANT [pin 32] - MICN [pin 10] - MICP [pin 9] - NETLIGHT [pin 41] - RF_SYNC [pin 29] - SIM_CLK [pin 16] - SIM_DATA [pin 15] - SIM_DET [pin 14] - SIM_RST [pin 17] - SIM_VDD [pin 18] - SPKN [pin 12] - SPKP [pin 11] - STATUS [pin 42] - UART1_CTS [pin 4] - UART1_DCD [pin 5] - UART1_DTR [pin 6] - UART1_RI [pin 7] - UART1_RTS [pin 3] - UART1_RXD [pin 2] - UART1_TXD [pin 1] - UART2_RXD [pin 23] - UART2_TXD [pin 22] - USB_DM [pin 26] - USB_DP [pin 25] - USB_VBUS [pin 24] - VBAT [pin 34] - VBAT [pin 35] - VDD_EXT [pin 40] - VRTC [pin 28] ### U5 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d.md) - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-WROOM-32D - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U6 — [ESP32-S3-WROOM-1U-N16R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1u-n16r8.md) - Part Type: Module - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf - Manufacturer Part Number: ESP32-S3-WROOM-1U-N16R8 **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_3] - GND [pin 41_6] - GND [pin 41_7] - GND [pin 41_5] - GND [pin 41_2] - GND [pin 40] - GND [pin 41_1] - GND [pin 1] - GND [pin 41_9] - GND [pin 41_8] - GND [pin 41_4] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### Y1 — RH100-40.000-18-F-2030-EXT-TR-NS1 - Manufacturer Name: Raltron Electronics - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6146/RH100-40.000-18-F-2030-EXT-TR-NS1.pdf - Part Type: Oscillator - Frequency: 40MHz **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Y2 — [2450AT18B100E](https://www.flux.ai/jecstronic/2450at18b100e.md) - Part Type: Antenna - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2450AT18B100E - Manufacturer Name: Johanson Technology - Datasheet URL: https://www.snapeda.com/parts/2450AT18B100E/Johanson%20Technology/datasheet/ **Pins:** - 1 [pin 1] - 2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/3565467766667/esprsso32-smart-scale-ai-auto-layout-example-7cur](https://www.flux.ai/3565467766667/esprsso32-smart-scale-ai-auto-layout-example-7cur).* --- *Generated from [https://www.flux.ai/3565467766667/esprsso32-smart-scale-ai-auto-layout-example-7cur](https://www.flux.ai/3565467766667/esprsso32-smart-scale-ai-auto-layout-example-7cur)*